import router from './router';
import { ElMessage } from 'element-plus';
import NProgress from 'nprogress';
import 'nprogress/nprogress.css';
import { getToken } from '@/utils/auth';
import { isHttp } from '@/utils/validate';
import { isRelogin } from '@/utils/request';
import useUserStore from '@/store/modules/user';
import useSettingsStore from '@/store/modules/settings';
import usePermissionStore from '@/store/modules/permission';

NProgress.configure({ showSpinner: false });

const whiteList = ['/login', '/register'];

router.beforeEach((to, from, next) => {
	NProgress.start();
	if (getToken()) {
		to.meta.title && useSettingsStore().setTitle(to.meta.title);
		/* has token */
		if (to.path === '/login') {
			next({ path: '/' });
			NProgress.done();
		} else if (whiteList.indexOf(to.path) !== -1) {
			next();
		} else {
			if (useUserStore().roles.length === 0) {
				isRelogin.show = true;
				// 判断当前用户是否已拉取完user_info信息
				useUserStore().getInfo().then(async () => {
					isRelogin.show = false;
					const accessRoutes = await usePermissionStore().generateRoutes();
					// 根据roles权限生成可访问的路由表
					accessRoutes.forEach(route => {
						if (!isHttp(route.path)) {
							router.addRoute(route); // 动态添加可访问路由表
						}
					});
					next({ ...to, replace: true }); // hack方法 确保addRoutes已完成
				}).catch(err => {
					useUserStore().logOut().then(() => {
						ElMessage.error(err);
						next({ path: '/' });
					});
				});
			} else {
				next();
			}
		}
	} else {
		// 没有token
		if (whiteList.indexOf(to.path) !== -1) {
			// 在免登录白名单，直接进入
			next();
		} else {
			next(`/login?redirect=${to.fullPath}`); // 否则全部重定向到登录页
			NProgress.done();
		}
	}
});

router.afterEach(() => {
	NProgress.done();
});
